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Fix overly strict bounds check in ssl_parse_certificate_request()

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This commit is contained in:
Hanno Becker 2018-08-16 15:51:34 +01:00
parent d8f41698d2
commit ad17fe9c37
1 changed files with 1 additions and 1 deletions
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2
library/ssl_cli.c
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@ -2721,7 +2721,7 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
* therefore the buffer length at this point must be greater than that * therefore the buffer length at this point must be greater than that
* regardless of the actual code path. * regardless of the actual code path.
*/ */
if( ssl->in_hslen <= mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n ) if( ssl->in_hslen <= mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n )
{ {
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) ); MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,